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Atletico Madrid will resist all offers to sell Luis Filipe to Manchester United should David Moyes ask for the Brazilian in this window.

United have watched the left back closely in recent months with Phil Neville present again at Tuesday's Copa del Rey tie with Valencia. Yet he is so pivotal to Atletico's quest for the treble this season that they don't intend to listen to bids until the summer.

Fuelled by Diego Costa's goals, Atletico have lost only once this season - to Espanyol - and are strongly fancied to topple AC Milan in the next stage of the Champions League as the quarter-finals beckon.

Fall guy: Brazil and Atletico Madrid left back Luis Filipe has attracted the attention of Manchester United

Although they need the money, the season could help redress the balance and leave them in a stronger position to lure new players themselves in the summer.

Atletico would want around £18million for Filipe and United must consider whether there are safer options in the market such as Luke Shaw, Alberto Moreno at Sevilla, Marcelo at Real Madrid or even Guilherme Siquiera at Benfica.

Yuto Nagatomo of Inter Milan has also been offered to United and Moyes remains unconvinced about Fabio Coentrao's qualities.

Top target: But Atletico are desperate to cling on to the talented full back

Filipe is 28 and has four caps for Brazil although through his father, Moises Kasmirski, he was eligible to play for Poland. He is a rangy left-back who has the ability to play left midfield also but his age may conspire against him as United consider value for money and players who could become the foundation for a new era.

Moyes despatched club scouts to watch games around Europe at the weekend, on Tuesday and on Wednesday. He took in Juventus's game at Cagliari with Jimmy Lumsden and watched Paris Saint-Germain in Bordeaux on Tuesday.

Safe bet: Southampton's Luke Shaw may be young but he has excelled at Premier League level

Touted: Yuto Nagatomo is one of the other options at left back for United

International prowess: Real Madrid's Marcelo (right) could bolster the back line at Old Trafford

He remains open to finding a deal this window but is realistic, and knows that what he wants will be more achievable in the summer.

Far from being hindered by Sir Alex Ferguson's presence, Moyes has been able to call on the previous manager who has been happy to chip in and utilise his own vast network of contacts to ascertain who may be available and for what price.

Departures are inevitable from Old Trafford. As Sportsmail's Dominic King revealed, Cardiff City remain keen on a loan deal for Brazilian full back Fabio but that will have obvious knock-on effect to Wilfried Zaha's proposed switch there too, owing to Premier League rules allowing only one loan from one club.

One option is to take over Fabio's contract and pay a compensation fee at the end of the season - unless Zaha goes elsewhere.

Outbound? Manchester United's Fabio could be on his way to Cardiff on loan

Luis Nani is also available. The Portuguese is no longer tied up with super-agent Jorge Mendes and has an arrangement with Monaco-based agent Federico Pastorello.

Nani could have fetched £23million when Zenit St Petersburg made a move 18 months ago but United hope to sell for around £16m now despite improving his contract in the summer.

The 26-year-old has a hamstring injury which should clear up by the end of the month. Juventus, Atletico, Valencia, PSG and Monaco are all interested while a move back to Sporting Lisbon is not one that the winger particularly fancies at this stage of his career.

Demanding: Wilfried Zaha is keen to gain some more first-team experience

Wanted man: Sporting's William Carvalho is being watched by United, Real Madrid and Barcelona

United do have an interest in Sporting's William Carvalho but will face competition from Real Madrid and Barcelona in the pursuit of the defensive midfielder who has recently been capped by Portugal.

Anderson remains in talks with Fiorentina with the sticking point believed to be the paperwork and structure of payments over a £5.6m fee that will follow an initial loan.

Fiorentina are signing Alessandro Matri on loan from Milan later on Wednesday.

Outcasts: Both Nani (left) and Anderson (right) signed for Manchester United in 2007

Craven Cottage was a haven for scouts as Fulham and Norwich utilised their shadow squads in the FA Cup third round replay.

Celtic manager Neil Lennon and his assistant Garry Parker were among the 11,172 crowd with Norwich strikers Johan Elmander and Luciano Becchio understood to be on their watching brief.

Manchester United scout Robbie Cooke was in the stands although he left prior to teenager Moussa Dembele's late cameo from the bench for Fulham while Liverpool scout Mel Johnson was also in attendance.

Becchio struggled to impress as a 68th minute sub for Norwich which may not help his chances of a return to Leeds either.

Cameo: Moussa Dembele (right) was given a run out during Fulham's 3-0 win over Norwich

Looking for recruits: Neil Lennon is hopeful of landing a striker in the transfer window for Celtic

The Elland Road club are looking for a striker but Leeds' head of recruitment Luke Dowling, who was sitting alongside scouts from Brighton, Reading and QPR, may find it difficult to recommend a player who has figured only five times for Norwich this season and is short of form and match practice.

Leeds are looking to let El Hadji Diouf go out on loan or let him go on a free transfer as they look to freshen up their striking options.

Rare appearance: Norwich's Luciano Becchio (left) had the chance to shine in front of a number of scouts

Stoke striker Kenwyne Jones may be hoping for a free transfer to Everton but Roberto Martinez will have to come up with at least £1m to prise the 29-year-old out of the Britannia Stadium. Jones has not helped his situation by staying away from Stoke with manager Mark Hughes fining him £80,000.

He is out of contract in the summer but Stoke will be reluctant to do him too many favours. Everton want Jones as back-up for Romelu Lukaku and still want Standard Liege striker Michu Batshuayi, as Sportsmail first revealed last month, but the £7m fee and the fact Liege want it in one payment means that deal will wait until the summer.

Stoke, meanwhile, are continuing to look for another striker and midfielder while latest signing, USA international Juan Agudelo is ready to go to NEC Nijmegen in Holland on loan for the rest of the season.

West Ham target Asamoah Gyan has been linked with Stoke but would have to take a considerable cut in wages. Maurice Edu is also in talks over a return to the MLS.

Steven Defour will ask to leave Porto this week. The Belgium international has been a target for Aston Villa but is also wanted by Anderlecht.

Defour's agent Paul Stefani has told the Belgian newspaper La Deniere Heure that the 25-year-old is anxious to play regular first-team football after starting just six games so far this season.

Stefani said: 'He will tell Porto he wants to leave the club. Porto don't want to sell him and consider him as a player for the future, but with the upcoming World Cup, Steven has to play more games. There's a chance he may join Anderlecht. Their general manager, Herman Van Holsbeeck, has always said he would like to sign Steven. Even when he was a player of Standard Liege.'

Angling: Steven Defour is hoping to get a move away from Porto before the window slams shut

Defour, who famously received a letter from Sir Alex Ferguson wishing him well after breaking his foot, is keen on a move to England but Stefani added: 'To say Anderlecht is not Steven's first choice is wrong. We get a lot of phone calls from agents who promise they can bring Steven to the Premier League. For example, an agent telling us Tottenham is interested.

'So, it's logical we'll wait a little longer to make a decision when we hear Tottenham. But I haven't heard anything of them yet.

'Aston Villa's interest may become imminent, but the interest of Anderlecht is the most concrete since the beginning. They have always said they really want Steven.'

Tottenham are considering midfield options with Etienne Capoue a target for Napoli and Arsenal, if they were given any encouragement, while Erik Lamela, Lewis Holtby and Nacer Chadli continue to attract enquiries but Holtby remains the most likely to go.

Preston midfielder Josh Brownhill is drawing increasing attention from a host of Championship clubs. The former Manchester United trainee has impressed since making his debut earlier in the season and his form has prompted enquiries from Fulham and Liverpool asking to be kept informed if any moves are pending. Preston would look for upwards of £2m for the 18-year-old.

Vitesse Arnhem right back Kelvin Leerdam is being watched Newcastle United and Southampton and no surprise as the defender has scored seven goals in 16 games this season.

Vitesse are willing to sell the 23-year-old for around £5m. The Dutch Under 21 international can also play in defensive midfield.

Liverpool's owners are due on Merseyside this weekend ahead of the match with Aston Villa at Anfield. They are ready to speak to manager Brendan Rodgers about funds, or lack of them, for January.

Mohamed Salah remains a target for Rodgers but Basle's valuation is still high at £16million.Liverpool had scouts in the stands at Verona's 3-0 home defeat by Napoli on Sunday to watch midfielder Jorginho. Napoli have made a bid for the Brazilian of £5.5million which has prompted reports that Liverpool are willing to match it.

One to watch: Verona's Jorginho is a highly-rated talent in Serie A and could be destined for the Premier League

Barcelona defender Martin Montoya is free to talk to foreign clubs from Wednesday.

The pair have been touted round Barclays Premier League clubs in recent weeks with Liverpool keen but both are open to staying at the Camp Nou and Barcelona director of football Andoni Zubizaretta will hold talks with them this week over committing to new contracts.

Barcelona are continuing to consider foreign options for the centre of defence. Chelsea's David Luiz and Arsenal's Thomas Vermaelenremain in their thoughts while Real Sociedad's Inigo Martinez is also being considered.

Fellow Barca defender Marc Bartra signed new contract at Barcelona on Wednesday afternoon after talks with the club's director of football, Andoni Zubizaretta. The deal runs to 2017 and his buyout clause is £21million.

Case for the defence: Martin Montoya (left) and Marc Bartra (right) may be on the move from the Nou Camp

David Moyes and Manchester United weren't the only club represented at Bordeaux v PSG on Wednesday night. Bordeaux confirmed on their official website that representatives from Liverpool, Arsenal, Crystal Palace and Queens Park Rangers were due to attend the game.

Palace are looking in the French market and may yet take up loans from Marseille with Jeremy Morel and Rod Fanni both available. They are also among clubs going to Osasuna's cup tie against Real Madrid on Wednesday night to watch Osasuna's defensive midfielder Raoul Loe, 24, who is available for £4m.

Available: Osasuna midfielder Raoul Loe is up for grabs for £4million and is in action against Real Madrid on Wednesday

Agent Willie McKay has the mandate for Loe.

Former Crystal Palace striker Kevin Phillips will join Leicester City later on Wednesday.

Sunderland wingers Duncan Watmore and David Moberg Karlsson plus midfielder George Honeyman are being monitored by Scottish Premier League sides. Watmore, who joined from Altrincham in the summer, is a potential target for Hibernian and is also drawing enquiries from the likes of Hartlepool and Carlisle.

Hartlepool's Colin Cooper and Carlisle manager Graham Kavanagh were at Monday’s Under 21 game against Stoke, in which Watmore impressed.

Heading further north? Sunderland's Duncan Watmore is being tracked by Hibernian

Scottish Championship side Dundee are among sides keen to take 19-year-old George Honeyman and Moberg Karlsson on loan. Honeyman impressed in a behind-closed-doors friendly against Hearts last week